import java.math.BigDecimal;
import java.util.Scanner;

/**
 * Created with IDEA
 * author:ju bai
 * Date:2021/5/18
 * Time:16:50
 **/
public class Main2 {
    /**
     * 每日一题-快到碗里来
     * 没有实现超长字符的算法
     *
     * @param args
     */
    public static void main1(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            int n = sc.nextInt();
            int r = sc.nextInt();
            long C = (long) (2 * 3.14 * r);
            if (n >= C) {
                System.out.println("Yes");
            } else {
                System.out.println("No");
            }
        }
    }

    //int long 都不在取值范围内的话，使用BigDecimal
    //乘法：multiply(BigDecimal multiplicand)
    //比较：compareTo(BigDecimal val)
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            BigDecimal n = sc.nextBigDecimal();
            BigDecimal r = sc.nextBigDecimal();

            //C = 2*3.14*r
            BigDecimal C = new BigDecimal("6.28").multiply(r);

            //n>C:No  表示身长>碗的周长
            //n<=C:Yes
            //compareTo   =:0 >:1 <:-1
            System.out.println(n.compareTo(C) == 1 ? "No" : "Yes");
        }
    }
}
